Kymco RS 50 vs Aprilia RS4 50 (2021)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Kymco RS 50stacks up against the Aprilia RS4 50. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Kymco RS 50 | Aprilia RS4 50 |
|---|---|---|
| Model year | 2021 | 2018 |
| Price | — | — |
| Engine | 50 cc | 50 cc |
| Seat height | 32 mm | 32 mm |
| Fuel capacity | 3.8 L | 3.8 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc. Radial caliper with two 28 mm opposed pistons | Single disc. Radial 4 piston calliper |
| Rear brakes | Single disc. Single piston calliper | Single disc |
| Tires | 100/80-17 / 130/70-17 | 100/80-17 / 130/70-17 |
Kymco RS 50 vs Aprilia RS4 50 — which should you buy?
Picking between the Kymco RS 50 and the Aprilia RS4 50 usually comes down to the numbers you care about most. On paper, the Kymco RS 50 brings its published horsepower, while the Aprilia RS4 50 counters with its own power figure.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike:

